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TSI

UK unified communications, connectivity and cabling provider that supplies channel partners and business customers

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About TSI

TSI provides business communications technology in the UK, selling largely through channel partners. The company manages projects from start to finish and uses its own engineers for installation, including cabling. It states more than 25 years of industry experience.

What TSI offers

  • Unified communications — a cloud platform, built with a US software partner, for calls, meetings and messaging on any device.
  • Data connectivity — superfast and ultrafast connections tied to telephony.
  • Network infrastructure — scalable networks and cabling installation.
  • Anywhere software — an earlier unified communications product for working across devices.
  • Partner support — hands-on service for resellers handling complex projects.

Who it works with

The firm supplies partners whose own clients range from schools and start-ups to small firms and multi-site organisations.

Key facts

  • Experience: over 25 years in the industry
  • Market: United Kingdom
  • Route to market: channel partners

Profile written by TrustList from the business's own published information, Oct 2026.

Categories & features

Rankings

As of 2026-10-05. Organic ranks only; sponsored placements are never ranks.

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